Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1778/KittyBridges_1745_NO.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8986-KittyBridges_1745_NO.ps) >>/Users/jc/w/tmp/Tune-8986-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1778/KittyBridges_1745_NO.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-8986-KittyBridges_1745_NO.abc 157 ABC music file with the extracted tune(s)
Tune-8986-KittyBridges_1745_NO.ps 6 PostScript
Tune-8986-KittyBridges_1745_NO.txt 157 Plain-text file with the extracted tune(s)
Tune-8986-get.log 4276 Log file, useful mostly for debugging
Tune-89860-JeanWhite_HRJCD.abc 152 ABC music file with the extracted tune(s)
Tune-89860-JeanWhite_HRJCD.txt 152 Plain-text file with the extracted tune(s)
Tune-89860-get.log 3274 Log file, useful mostly for debugging
Tune-89865-1769_Bremner_SRCD.abc 154 ABC music file with the extracted tune(s)
Tune-89865-1769_Bremner_SRCD.ps 6 PostScript
Tune-89865-1769_Bremner_SRCD.txt 154 Plain-text file with the extracted tune(s)
Tune-89865-get.log 4138 Log file, useful mostly for debugging
These files should be available for 24 hours.